Siren's Call [Beta Edition] Nissa that spell can't be countered

that spell can't be countered

Set: Champions of Kamigawa Type: Legendary Land Rarity: Rare Boseiju

Set: Judge Gift Cards 2006 Type: Creature — Human Wizard Rare Cost: {R} {R}

you may sacrifice an artifact

That land is a Swamp for as long as it has a mire counter on it

Siren's Call [Beta Edition] Nissa that spell can't be counteredSet: Beta Edition Type: Instant Rarity: Uncommon Cost: {U} Cast this spell only during an opponent's turn, before attackers are declared. Creatures the active player controls attack this turn if able. At the beginning of the next end step, destroy all non Wall creatures that player controls that didn't attack this turn. Ignore this effect for each creature the player didn't control continuously since the beginning of the turn.